Metal frame



Patented Dec. 22, 1931 entre isAeo A. BAUM, or circaedinmnois METAL Application filed May 16,

My invention relates to metal frames for.

wall openings and particularly to an improven ment in door Ytrame construction adapted to eliminate the cracking of the plaster at a point adjacent to the opening. i

Notwithstanding the most rigid mounting of metal frames on the tile or other walls, there is a tendency toward cracking of the plaster at some point adjacent to the point plaster utilizing a pair of back-tchach plash l ter terminals that are not connected. Infact, l provide a separate plaster section as a part of the `frame structure and this section is Jfree Y to move with the frame Without affecting the main oint of plaster. The invention willbe more readily understood by reference to the accompanying drawings, in Which F ig. 1 is a sectionalperspective view showing the frame as applied to a wall and betore the plaster hasbeen applied; and Fig. 2 is a sectional viewV showing a completed structure after plaster has been applied.

ln the drawings, l have illustrated a frame of generally channel shape having a web 10, constituting a jamb, a door strip 11 and side flanges 12, 13. The structure shown is intended for application to an outside wall, in which case there is but one line of plaster, that is, plaster is applied only to the interior wall. It will be understood, however, that where used on an interior wall, the provision Jfor eliminating cracking will be applied to both flanges.

A tile or other Wall is indicated at 14, the channel frame being mounted thereover. Vood inserts'l may be inserted at intervals in the joints between the tile to receive nails 16 passing through the base 17 of a plaster terminal strip. The strip has a perpendicular flange 18, the margin of which is rebent as at 19. Y

the point 22 oi`tplaster. V rlhe small amountof FRAME@ 1929. s eriai no.fses,e44.,

" Secured to the flange of` the channel frame by' welding or ,otherwise,jare tvvon opresitelr dSpoSedL-Shapedterminal Strips. Or plaster l.beads 20,21 the; outsidestrips being placed ata desireddistance trom'thefacfeiof 55 the jamhand-moulded `fordecorative pur- -posesif occasionA requires. The inner` or rear- `-ward strip is secured to a point near .theinner edge or margin of thenflange so that the plaster space betweenthepair ofst'rips is subo0 stantially equal'to the depth of the flange.

The strips 19,21 are-preferablyI inabutting relation -butare noty attached., Thus any `movementl of therframe is not transmitted to enpohsedrsurface' at theedge of the plaster terminal strips 19, 21 `may ybepainted and` Will not Vbe unsightlyf 4 Y As a means for anchoring the plaster-I provide the anchor loops 2.3 struck out from 7o the Harige-12 ofthe channelfand theloops'24` :struc-lr l,out `from theflangej12 of thefchannel Vandthe loops 24,struclroutrom the base 17. A wall anchor ortjhe ichannelffraine-l is 1indi- ,catedat 25 andis in thevform'of a bail having hooked ends that engage with the framefas Y Shown.: i ln operation the framewith its attached 'parts being installed and the tilewall laid,

theplaster terminal member 17, 18V is nailed 8p in proper position and the plastering carried on in the usual manner. y Obviously, the construction may be modified to a certain degree, and I do not Wish to be limited except as indicated in the api pended claims. i I'claim: Y

1. In combination, a channel shaped frame, a continuous plaster bead secured to a flange et the channel near the face or web of the 5.90'

channel, a second bead securedto the lange near the rear edge thereof and a third bead abutting the second bead and secured tothe wall in which the frame is mounted.

2. ln combination, achannel shaped door V frame, a pair of `L-shaped strips having their bases welded to the outer face of a flange of f the channel, the perpendicular flanges of the strips having their margins rebent oppositely inwardly thereby defining a plaster receiving space of substantially the width of the flange,

Vand athird L-shaped strip having its base secured to a wall within which the frame is mounted and with its flange in sliding engagement with the corresponding flange of the rearward stri of said pair.

3. In combination, a metalframe adapted to oontaot a wall,` a pair of flanged plaster terminal strips secured to said frame, and a thirdplaster terminal strip adapted to be secured to tl1ewall, said last named strip being independent of'said frame and having vthe. perpendicular flange thereof in Contact with the similar ange on the rearward'of the two plaster terminals first mentioned. r

4. In combination; a metal frame Vadapted to `Contact a wall, la pair of flanged plaster Y terminalstrips secured to said rame,,and a third vplasterV terminal strip adapted to be Y seouredffto lthe wall, said last named strip being independent ofY said frame-and having. -theperpendicular flange thereof in Contact withthe similar flange on the rearward of thetwo plaster terminals irst mentioned, the

inargins'offsaid plaster terminals being rebent to provide a plaster anchor.

:5. In'combination, a metal frame adapted jto contacta wall, a pair of flanged plaster terminal strips securedV toV said frame, and a Vthird plaster terminal strip adapted to be secured to the'wall, said last named strip -bei'ng independent of said; frame and having f the perpendicular flange thereof in Contact (with the-.similar ange on the rearward of the nature.

two plaster terminals first mentioned, the.`

margins of saidplaster terminals bein reybent to provide aplaster anchor, the re ent 'anchor on the margin of thefirst two plaster terminals vbeing disposedftoward each other.

In'testimony whereo-fI have affixed my sig- ISAAC A. BAUM, 

